Patrol info for U-3
Date lookup for 16 Apr 1940
| Departure | Arrival / Fate | Duration | ||
| 12 Apr 1940 | Wilhelmshaven | 19 Apr 1940 | Wilhelmshaven | 8 days |
Commander | Officers * |
 Kptlt. Gerd Schreiber |
Formed U-boat group 8 (Lindesnes) together with U-2, U-5 and U-6 for Operation Weseruebung, the German invasion of Denmark and Norway. The boat returned to port shortly after the departure to repair the periscope and left again on 13 April.
U-3's position on 16 Apr 1940
Ships hit by U-3 on this date
General Events during this patrol
We have no events listed for this date.
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Attacks on U-3 during this patrol
16 Apr 1940
The British submarine HMS Porpoise fired six torpedoes at U-3 about 10 miles southwest of Egersund, Norway and heard a detonation, which was in fact a G7a torpedo fired at HMS Porpoise by the U-boat which had missed and detonated at the end of its run.
It was believed for many years that Porpoise had sunk U-1. U-3 escaped unscathed.
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* These are officers that later became commanders themselves.